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    CVE-2020-21054

    Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized "f" variable in app\vars\vars_textarea.php.

    Published:May 20, 2021
    Last Modified:Nov 21, 2024
    EPS:May 20, 2021
    EPSS Score:0.00328
    CVSS Score:6.1

    Affected Products

    Vendor
    Fusionpbx
    Product
    Fusionpbx

    Exploits

    No exploit reference

    Related CVEs

    CVE-2024-24539 (CVSS 5.3) — FusionPBX before 5.2.0 does not validate a session.…
    CVE-2024-23387 (CVSS 4.8) — FusionPBX prior to 5.1.0 contains a cross-site scripting vulnerability. If this vulnerability is exploited by …
    CVE-2022-35153 (CVSS 9.8) — FusionPBX 5.0.1 was discovered to contain a command injection vulnerability via /fax/fax_send.php.…
    CVE-2021-37524 (CVSS 6.1) — Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.26 allows remote unauthenticated users to inject arb…
    CVE-2022-28055 (CVSS 9.8) — Fusionpbx v4.4 and below contains a command injection vulnerability via the download email logs function.…
    CVE-2021-43403 (CVSS 6.5) — An issue was discovered in FusionPBX before 4.5.30. The log_viewer.php Log View page allows an authenticated u…
    CVE-2021-43405 (CVSS 8.8) — An issue was discovered in FusionPBX before 4.5.30. The fax_extension may have risky characters (it is not con…
    CVE-2021-43406 (CVSS 8.8) — An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not con…
    CVE-2021-43404 (CVSS 8.8) — An issue was discovered in FusionPBX before 4.5.30. The FAX file name may have risky characters.…
    CVE-2020-21057 (CVSS 8.1) — Directory Traversal vulnerability in FusionPBX 4.5.7, which allows a remote malicious user to delete folders o…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High